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/*
* UNG's Not GNU
*
* Copyright (c) 2011-2019, Jakob Kaivo <jkk@ung.org>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#define _XOPEN_SOURCE 700
#include <cpio.h>
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <unistd.h>
#include "pax.h"
struct cpio_header {
char magic[6];
char dev[6];
char ino[6];
char mode[6];
char uid[6];
char gid[6];
char nlink[6];
char rdev[6];
char mtime[11];
char namesize[6];
char filesize[11];
};
struct cpio_entry {
struct stat st;
uintmax_t namesize;
};
const size_t cpio_header_size = sizeof(struct cpio_header);
static mode_t cpio_convert_mode(unsigned long mode)
{
mode_t m = 0;
m |= (mode & C_IRUSR) ? S_IRUSR : 0;
m |= (mode & C_IWUSR) ? S_IWUSR : 0;
m |= (mode & C_IXUSR) ? S_IXUSR : 0;
m |= (mode & C_IRGRP) ? S_IRGRP : 0;
m |= (mode & C_IWGRP) ? S_IWGRP : 0;
m |= (mode & C_IXGRP) ? S_IXGRP : 0;
m |= (mode & C_IROTH) ? S_IROTH : 0;
m |= (mode & C_IWOTH) ? S_IWOTH : 0;
m |= (mode & C_IXOTH) ? S_IXOTH : 0;
m |= (mode & C_ISUID) ? S_ISUID : 0;
m |= (mode & C_ISGID) ? S_ISGID : 0;
m |= (mode & C_ISVTX) ? S_ISVTX : 0;
m |= (mode & C_ISDIR) ? S_IFDIR : 0;
m |= (mode & C_ISFIFO) ? S_IFIFO : 0;
m |= (mode & C_ISREG) ? S_IFREG : 0;
m |= (mode & C_ISBLK) ? S_IFBLK : 0;
m |= (mode & C_ISCHR) ? S_IFCHR : 0;
//m |= (mode & C_ISCTG) ? S_IFCTG : 0;
m |= (mode & C_ISLNK) ? S_IFLNK : 0;
m |= (mode & C_ISSOCK) ? S_IFSOCK : 0;
return m;
}
static struct cpio_entry cpio_deserialize(struct cpio_header *dh)
{
struct cpio_entry e = { 0 };
e.st.st_dev = pax_atoi(sizeof(dh->dev), dh->dev, 8);
e.st.st_ino = pax_atoi(sizeof(dh->ino), dh->ino, 8);
e.st.st_mode = cpio_convert_mode(pax_atoi(sizeof(dh->mode), dh->mode, 8));
e.st.st_uid = pax_atoi(sizeof(dh->uid), dh->uid, 8);
e.st.st_gid = pax_atoi(sizeof(dh->gid), dh->gid, 8);
e.st.st_nlink = pax_atoi(sizeof(dh->nlink), dh->nlink, 8);
e.st.st_rdev = pax_atoi(sizeof(dh->rdev), dh->rdev, 8);
e.st.st_mtim.tv_sec = pax_atoi(sizeof(dh->mtime), dh->mtime, 8);
e.st.st_size = pax_atoi(sizeof(dh->filesize), dh->filesize, 8);
e.namesize = pax_atoi(sizeof(dh->namesize), dh->namesize, 8);
return e;
}
int cpio_list(FILE *input, size_t firstlen, void *firstblock)
{
struct cpio_header *dh = firstblock;
//for (;;) {
struct cpio_entry e = cpio_deserialize(dh);
pax_list_file(&e.st, (char*)firstblock + sizeof(*dh));
//}
return 0;
}
int cpio_main(int argc, char *argv[])
{
setlocale(LC_ALL, "");
int c;
while ((c = getopt(argc, argv, "oip")) != -1) {
switch (c) {
case 'o':
// create
break;
case 'i':
// extract
break;
case 'p':
// copy?
break;
default:
return 1;
}
break;
}
for (size_t i = 2; argv[optind][i] != '\0'; i++) {
printf("checking %c\n", argv[optind][i]);
switch (argv[optind][i]) {
case 'a':
// reset atimes
break;
case 'B':
// blocksize 5120
break;
case 'd':
// create directories
break;
case 'c':
// read and write in character form for portability
break;
case 'r':
// interactively rename files
break;
case 't':
// list table of contents
break;
case 'u':
// copy unconditionally
break;
case 'v':
// verbose
break;
case 'l':
// link instead of copy, requires -p
break;
case 'm':
// reset mtime
break;
case 'f':
// ignore files in pattern
break;
default:
fprintf(stderr, "cpio: unknown option '%c'\n",
argv[optind][i]);
return 1;
}
}
return 0;
}
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